public function testHasGetCommand()
{
$application = new Application();
$this->assertTrue($application->hasCommand('list'), '->hasCommand() returns true if a named command is registered');
$this->assertFalse($application->hasCommand('afoobar'), '->hasCommand() returns false if a named command is not registered');
$application->addCommand($foo = new \FooCommand());
$this->assertTrue($application->hasCommand('afoobar'), '->hasCommand() returns true if an alias is registered');
$this->assertEquals($foo, $application->getCommand('foo:bar'), '->getCommand() returns a command by name');
$this->assertEquals($foo, $application->getCommand('afoobar'), '->getCommand() returns a command by alias');
try {
$application->getCommand('foofoo');
$this->fail('->getCommand() throws an \\InvalidArgumentException if the command does not exist');
} catch (\Exception $e) {
$this->assertInstanceOf('\\InvalidArgumentException', $e, '->getCommand() throws an \\InvalidArgumentException if the command does not exist');
$this->assertEquals('The command "foofoo" does not exist.', $e->getMessage(), '->getCommand() throws an \\InvalidArgumentException if the command does not exist');
}
$application = new TestApplication();
$application->addCommand($foo = new \FooCommand());
$application->setWantHelps();
$command = $application->getCommand('foo:bar');
$this->assertEquals('Symfony\\Component\\Console\\Command\\HelpCommand', get_class($command), '->getCommand() returns the help command if --help is provided as the input');
}
